package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

//    新增分类
    @PostMapping
    public R save(@RequestBody Category category){
        log.info("category：{}",category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

//    分页查询
    @GetMapping("/page")
    public R page(int page,int pageSize){
//        分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
//        条件构造器
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
//        添加排序条件，根据sort进行排序
        wrapper.orderByAsc(Category::getSort);

        //分页查询
        categoryService.page(pageInfo,wrapper);
        return R.success(pageInfo);

    }

//    删除分类
    @DeleteMapping
    public R delete(Long id){
        log.info("删除分类：id为{}",id);
//        categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("分类信息删除成功");

    }
//    @修改
    @PutMapping
    public R update(@RequestBody Category category){
        log.info("修改分类信息:{}",category);
        categoryService.updateById(category);
        return R.success("分类信息更改成功");

    }
    //查询分类数据
    @GetMapping("/list")
    public R list(Category category){
//      条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
//        添加条件
        lambdaQueryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
//        添加排序条件
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(lambdaQueryWrapper);
        return R.success(list);
    }
}
